# Relationship history for MSHA mine 1507453

Current hierarchy: **Anthony  Newsome → Jet Coal Company Inc → Maverick Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Musketeer Coal Corp → Maverick Mine; 1974-10-01 to 1982-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Reynolds William → Maverick Mine; 1974-10-01 to 1982-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Reynolds William → Musketeer Coal Corp; 1974-10-01 to 1982-05-12; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Newsome → Maverick Mine; 1975-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Traveller Coal Corp → Maverick Mine; 1982-05-13 to 1984-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Collie  Hall et al → Maverick Mine; 1982-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Collie  Hall et al → Traveller Coal Corp; 1982-05-13 to 1984-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Jet Coal Company Inc → Maverick Mine; 1984-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Newsome → Jet Coal Company Inc; 1984-05-22 to current/open; source msha-controller-operator-history